VGEBY1 Bike Bottom Bracket Bolts, Bolts Crankset Screw M15*19 Spline Titanium Bicycle BB Axis Screws (Black)

【Allen Wrench to Install】The bottom bracket of the spline is M15*19 spline bottom bracket bolt, and It is equipped with a washer. It is installed with a 10mm hex wrench and has a force of 30-50N.M. 【Stable Structure】The bottom bracket structure of the spline is stable, using high-quality aluminum alloy material, which has high hardness, wear resistance, corrosion resistance and rust resistance. 【Exquisite Workmanship】The bottom bracket of the spline have fine workmanship, bright colors, light weight, smooth waterproof and dustproof, non-fading, and long service life. 【Reduce Friction and Noise】This spline bottom bracket has small size error, good compatibility with other parts, increases service life, reduces friction and noise, and can be purchased and used with peace of mind. 【Service Guarantee】If you have any questions about our spline bottom bracket bolts, please send us an email, we will reply you as soon as possible within 24 hours to solve the problem for you.